Holdup and holddown



Feb. 26, 1929. 1,703,713

C. H. BALDWIN HOLDUP AND HOLDDOWN Filed Jan. 18, 1927 2 Sheets-Sheet l INVENIZOR.

Cloise" EB ldwI/IL,

ATTORNEY.

Feb. 26, 1929. Y 1,703g713 c. H. BALDWIN HOLDUP AND HOLDDOWN Filed Jan. 18, 192"! 2' Sheets-Sheet 2 INVENTOR.

ATTORNEY' Patented Feb. 26, 1929.

UNITED STATES PATENT OFFICE. a

CLOISE H. BALDWIN, OF FORT WORTH, TEXAS, ASSIGNOR TO TEXAS STEEL COMPANY,

' OF FORT WORTH, TEXAS, A CORPORATION OF DELAWARE.

HOLDUPV AND HOLDDOWN.

. Application filed January 18, 1927. Serial No. 161,939.

This-invention relates to a hold-up and hold-down for pull rods employed in connection with oil and gas well pumping apparatus, and has for its object to provide, in a manner as hereinafter set forth a thoroughly efiicientand adequately lubricated hold-up and hold-down for employment in well pumping apparatus.

lVhen pumping a number of oil wells 1 where the power is supplied from a central plant, the wells are operated by attaching them to surface lines running from the power plant to each of the wells. The surface line consists of pull rods suspended or held up a short distance from the ground.

At each revolution of the pumping power the rods will move backward and forward and deliver an up and down motion to the pump in the well. By this method a great many wells can be pumped from one central power plant. Very often due to the general lay-out of the property as well as interference from highways, or property lines, it becomes necessary to use hold-ups and hold-downs'to keep the lines near the surface of the ground. Heretofore only shallow wells have been pumped by this method, but from time to time greater depth wells are being attached to central power plants, and which necessitates a more rigidly constructed hold-up orhold-down and a more adequate means for lubricating the bearing of the same, and which is obtained and pro: vided for by a hold-up and hold-down in accordance with this invention.

A further object of the invention is to provide a hold-up and hold-down for the purpose referred to and in a manner as hereinafter set forth, and which is com aratively simple in its construction an arrangement, strong, durable, thoroughly efficient in its use, readily set up, and comparatively inexpensive to manufacture.

lVith the foregoing and other objects in view the invention consists of the novel construction, combination and arrangement of parts as hereinafter more specifically described and illustrated in the accompanying drawings wherein is shown an embodiment of the invention, but it is to be understood that changes, variations and modifications can be resorted to which fall within the scope of the claims hereunto appended.

In the drawings wherein like reference employed in the device for dpositioning the. V

pull rods close'to the groun Figure 5 is a like view of one of the bearings employed in the device.

Figure 6 is a fragmentary view of the stirrup box employed when positioning the pull rods close to the ground. I

Figure 7 is a side elevation of the stirrup box employed when positioning the pull rods at their maximum elevation.

Figure 8 isa side elevation of a single stirrup box.

The term hold-down isused to infer the suspending of the pull rods in close proximity to the ground, and the term hold-u is to infer the positioning of the pull ro s at their maximum elevation.

When using thehold-down or the holdup, a base 1 is emplo ed having fixedly secured therewith, by t e holdfast devices '3, a pair of spaced interiorly threaded, flanged collars 4. The flanges of'the collar 4 are indicated at 2 and the holdfast devices 3 extend through the collars 2, and anchor the collars upon the upper face of the base. Threadably engaging with each collar 4, is

a vertically. disposed tubular standard 5 of any suitable height and diameter and with the diameter thereof conformin with the inner diameter of the collar 4. Threadabliy engaging with the upper ends of the stan ards 5 are oppositely disposed elbow-cow phngs 6, 7 each provided at its upper end and on its inner face with threads 8. 'The elbows 6 and 7 have the upperends thereof connected together by a combined support and lubricant reservoir forming means re ferred to generally by the reference character 9, and which consists of a'horizontally disposed tubular member 10 having peripheral threads 11 at each end for engagement with the threads 8 of the elbow couplings.

' portion 2% ofunitorm diameter and a p r The member is closed at each end by a plug 12-, and centrally'of its top the said member 10 is provided with an opening 13 forming a lubricantfilling opening or inlet. The bottom of the member 10, at a point between its vertical median-and each end is formed with an opening and one of said openingsis indicated at A and the other at 15. The member 10 provides a reservoir 15, which is adapted to contain a body of lubricant l6 and a body of waste 1?. s 4 v @Vhen employing .a hold-up or a hold lown a tubular carrier 18 is used. The

carrier 18 when a hold-down is employed issuspended from member 10 and when a hold-up is employed extends above said member 10. Whenthecarrier 18 is used in connection with a hold-down, or a holdup it is mounted in a manner whereby it can operate in an oscillatory manner due to the reciprocation of the pair of pull rods with which it is associated. Y Associated with the carrier 18, when a hold-down is employed, is a gudgeon, re

'ferred to generally by the reference characterlt). and shown in Figures 1 and. 2. The gudgeon 19 includes a head piece 20, tormedcf a cylindrical upper portion 21 provided with a chamber 22, a tapered intermediate portion 235 a cylinc rical' lower of oppositely disposed cylindrical tr .12.; or 26 formed mtegnl with the ends pthe cylindrical portion 21. The gudgcon 19 is furthermore provided with. an a-Xiall arranged bore 27 which extends from the chamber 22 to'the lower end of the end portion24. The intermediate part 23 isprovided with a'pair of oppositely extending channels 28 which open intothe bore 27 and also open at their outer ends at the --cated'ati 30 and at their inner ends communicate with the chamber 22. The part 240i the trunnion 19. is extended into one end of the carrier 18, and detachably connected therewith by a bolt and nut 31. The bolt is disposed diametrically with. re-- spectto the part 2% oil the trunnion and the r 18. The part 21 and carrier 18 are provided with suitable openings for the passage of bolts. When the part 24- of the trunnion 19 is secured to carrier 18, the combined collectors and directors extend over the edge of the carrier 18, as well as project laterally from the carrier, see Fig ure 1. The diameterof each trunnion with respect to the part 21 of the gudgeon 21 such as to provide a shouldered portion 32 at the point of joinder of a trunnion with the part 21 of the .gudgeon 19.

Associated with each trunnion of the gudgeon 19 is a bearing element. as each of saidelements is of the same construction but one will be described. as the description of one will apply to the other. Each of said elements isindicated generally by the reference character 31 and consists of a bocy portion 32 formedwith opening 33 for the reception of the trunnion. The opening is of greater length than the length of the trunnion, the latter terminating at apoint inwardly with respect to the outer end of the opening. The body portion 32 is formed with pair of lengthwise extending peripheral flanges 34, each :tormed with-a vertically disposed opening 35. The top oi the body portion 31 is formed tor the reception oi the member 10. 1e ody portion 31 centrally of the concavity is formed *ith a port 37 which cornmunicates with the interior ofthe member 10 w ereby lubricant can be supplied from the reservoir 15 to the opening 33. V

The elements: 31 are secured to the menibe: 9, by yohes 38; one yoke toreach element" 31, and each yoke extends down 'hrough the openings formed in the flanges 3 1 of that element with which the yoke '38 is associated, and the ends 05 the yoke carry I clamping nuts 39 which-abut againstthe bottom edges of the flanges 34. Vl hcn'the elements-31ers arranged in active position to provide bearings for the trunnions of the'gudgeon 19, the said elements 31 abut against the lower face of the member 10, see Figure 1. The elements 31 are fixedly secured to the member 10 and in connection with the-gudgeon 19. couple the carrier 18 therewitln and the trunnions of the gudgeon 19 permit of the carrier 18 oscillating on the operation of the pull ds.

lVhen employing the hold-down, the lower end of the carrier18, has connected there with a stirrup b0 referred to generally by the reference character a0 and whichconsists of an oval-shaped body portion 11 formed with a concavity 36 which provides portion 41 is a shank 46 which extends into the lower end of and isconnectedto the carrier 18 by the holdfast device 47. The body portion 41 in proximity to each side of the shank 46 is provided with a vertical port 48 for the passage of lubricant into the opening 42 for lubricating the stirrups. The lubricant passes down between the inner face of the carrier 18 and the periphery of the shank. A pull rod is indicated at 49 and and which has connected thereto a combination clamp49 carrying a stirrup 50 mount-.

ed in one of the seats 44 of the box 40.

When using the hold-up, the gudgeonemployed in connection with the carrier is of a slightly different arrangement from the gudgeon 19, and this statement also applies tothe bearing for the trunnions forming a part of the gudgeon and it also applies to the stirrup box employed in the hold-up. The gudgeon which is used'in the hold-up is referred to generally by the reference character 51 and is constructed similar to the gu'dgeon 19, with this exception that the gudgeon 51 is not provided with the ports 28 and combined collectors and'deflectors 29. The trunnions of the gudgeon 51 are indicatedat 52. When using the hold-up, the bearings indicated generally by the reference character 53 are employed for the trunnions 52 of the gudgeon 51. Each bearing or bearing element. 53 is constructed similar to a bearing element 31 withthis exception, that the element 53 is not provided with a port '37, but it may be provided with a port 37. The stirrup'box employed in the hold.

up is referred to generally by the reference character 54 and includes a body portion 55, having an oval-shaped opening 56 forming a pair of spaced oppositely disposed'hooks 57. The hooks 57 are spaced from each other to provide a clearance 58 for the insertion ofthe stirrup 50. The ends of the opening 56 provide seats 58 for the stirrups. The body portion has a lubricant reservoir 59, and also a port 60 for the passage of lubricant from the reservoir 59 into the opening 56 for the purpose of lubricating the stirrups. Formed integral with the body portion 55 is a depending shank 61, having an opening 62 extending from one end to the other thereof and said opening also extends through the body portion 55 and communicates with theopening 56. The opening 62 gradually increases in diameter from its upper to its lower end and provides 'means for establishing communication between'the opening 56 and the interior of the carrier18. The shank 61 is secured to the carrier 18 by the holdfast device 63. The lubricant passing down through the carrier 18 will enter the gudgeon and when sufficient quantity has been collected in the chamber 22 will pass into the trunnions and from there into the openings 33 and provide for the lubrica tion of the trunnionsf The bearing elements 53 are secured in position by the yokes 38.

The bearing elements 53 when secured in po sition are mounted on. the top of the member 10 and the gudgeonis positioned over the opening 13. A reservoir 59 is positioned at each end of the body portion 55 and a port is associated with each reservoir so that lubricant can be supplied to the opening 56.

The stirrups when coupled with the box.

54 act as means for closing the outlet ends .of the port 60 in a manner to prevent too free discharge of lubricant from a reservoir 59. v 1

Each bearing element 31 or 53 is formed with a projection or boss 53v seating in an opening 14 or 15, and which servesas a key or locking device to prevent slippage or nus-alignment of parts when assembled. The ports 37,0f the bearing elements 31 extend through the projections or-bosses.

Referring to-Figure 8, which illustrates a single stirrup box 60', which serves as a single stirrup box in connection with box 40 and when used it is bolted directly to the carrier 18. When the box 60 is employed, one .pull rod with its connected stirrupsis attached thereto. This is placed on the op posite side from the direction of pull rodin such a manner that carrier 18 extends,

through the stirrup. \Vhenassembled in this manner, the bolts attaching box 60? are. not effected-by tension .of pull] rods, due to the carrier-18 extending through stirrup. and used to prevent lateral movement of box 60. It will be notedlthat when using box 60', half of stirrup box 40 will remain idle, unless two rods are. attachedto that side of the apparatus.

It may be necessary, when holding up, to omit standards 5, and provide direct connections between elements 6 and 4 and 7 and 4. p Q J A hold-up or hold-down in accordance with this invention, for use in connection with oil or gas Well pumping apparatus,

provides an unusually rigid' construction and I a more accurate-means for lubricating the bearings of theoscillatory carrier, as well as for lubricating the stirrups when coupled to the carrier, therefore it is thought the many advantages of a hold-up or a hold down in accordance with this invention, can be readily understood, and althoughthe preferred embodiment of the invention is as illustrated and described, yet it is to be understood that changes in the details of construction can be had which will. fall within the scope of'the invention as claimed.

What I claim is:- f

1. A device for the purpose set forth com.- prising a supporting structure, a pair of spaced bearing elements adapted to be secured thereto, a gudgeon including trunnions journaledin said bearings, a carrier attached to said gudgeon, stirrup coupling means attached to the carrier, and said supporting structure, bearing elements, gudgeon and carrier having coaoting means for supplying'lubricant to said trunnions and coupling means.

2. A device for the purpose set forth comprising an anchored supporting structure, a pair of spaced bearing elements secured thereto, an oscillatory gudgeon provided with a pair of trunnions journaled in said elements, a carrier having its inner end overlapping and secured to said gudgeon and extended therefrom, said carrier bodily movable with said gudgeon, a stirrup coupling element secured in the outer end of 'pair of oppositely extending hooks, said hooksspaced from each other to provide a clearance for entrance to said opening to position the stirrups,- and said body portionprovided with plural means for storage of-and' the passage of lubricant to said open-,

ing to lubricate the stirrup or stirrups mounted therein.

4,111 a hold-up or hold-clown for oil pumping. apparatus an inverted U-shaped' supporting structure, a pair of spaced'bearing elements anchored to the top of said structure, oscillatory means ournaled in said bearings, a stirrup box secured in and extended from sa1d means at the vouter end thereof and provided with a transverse opening to form a pair of opposed seats for the receptionof a pair of oppositely extending stirrups, and said structure, bearing elements and oscillatory means having coacting means for lubricating the said oscillatory means and the stirrups within said box.

- 5. A device for the purpose set forth comprising a supporting structure provided with a lubricant reservoir, a pair of spaced bearing elements secured to the upper end of said structure, an oscillatory gudgeon including spaced trunnions journaled in said elements, said structure and elements having coacting means for supplying lubricant to said trunnions, a carrier attached to said gudgeon and bodily movable therewith, stirrup coupling means secured to said carrier, and said gudgeon and carrier provided with coacting-means for supplying lubricant spaced tubular bearing elements each open at its inner and 1tsouter side, sa1d elements secured to the top ofsaid structure, an oscillatory gudgeon including hollow spaced trunnions journaled in said elements, said trunnions having their outer ends spaced-inwardly from the outer sides of said elements, said structure and elements having coacting means for supplying lubricant to said trunnions, a carrier secured to'said gudgeon and bodily carried therewith, stirrup coupling means secured to said carrier, and said gudgeon and carrier having coacting means for supplying lubricant to said coupling means.

7. A device for the purpose set forth comprising a supporting structure provided with a lubricant reservoir, a pair of spaced bearing elements'se'cured to the upper end of said structure, an oscillatory gudgeon'ineluding spaced trunnions journaled in said elements, sa1d structure and elements having coacting means for supplying lubricant 'to sa1d trunnions, a carrier attached to said gudgeon and'bodily movable therewith, stirrup coupling means secured to said carrier,

said gudgeon and carrier provided with co-' .actmgmeansfor supplying lubricant to said coupling means, and said gud eon' provided with means for collecting and directing lubricant dripping from said elements-int said carrier.

8. A device for the purpose set forth comprising a supporting structure provided at its top witlra lubricantreservoir, a pair of spaced tubular bearing elements each open at its inner and itsouter side, said elements securedto the top of said structure, an oscillatory gudgeon including hollow spaced trunnions journaled in said elements, sa1d trunnions having their outer ends spaced inwardly from the outer SlClQS'Oif said elements, said structure and elements having enacting meansfor supplying lubricant to said't-runnions, a carrier secured to said gudgeon and bodily carried therewith, stirrup coupling means secured to said carrier, said gudgeon provided with means for collecting and directin lubricant dripping from said ele' 'ments into said carrier;

in said elements, said structure and elements having coacting means for supplying-lubricant to said trunnions,-a carrier secured to said trunnions and bodily movable there With,'and stirrup coupling means secured in the outer end of said carrier and extended laterally in opposite directions therefrom.

10. A device for the purpose set forth comprising a supporting structure formed with a hollow top to provide a lubricant chamber, a pair of spaced, tubular bearing elements secured to said top, said elements and said structure having coacting means for establishing communication between the interior of the elements and said chamber, a gudgeon including trunnions journaled in said elements, a carrier attached to said gudgeons, and stirrup coupling means secured to the carrier and formed with a transversely extending opening to provide a plurality of opposed stirrup seats.

11. A device for the purpose set forth comprising a supporting structure, an oscillatory gudgeon including trunnions, bearing elements for said trunnions secured to said supporting structure, a carrier attached to said gudgeon, a split oval-shaped stirrup coupling means includinga shank fixedly secured to said carrier, and said structure, bearing means, gudgeons, carrier and stirrup coupling means having coacting means for lubricating the trunnion and for the stirrups coupled with the carrier.

12. In a hold-up or hold-down for use in connection with oil pumping apparatus a supporting structure, atubular carrier, an oscillatory gudgeon connected with said structure and extending in and secured to one end of said carrier, a coupling element including a body portion provided therein with a pair of opposed stirrup receiving seats, said element further including a shank disposed centrally with respect to said body portion and extending into and secured to the other end of said carrier, and said structure, gudgeon, carrier and element having coacting means for lubricating the gudgeon and the stirrups engaging said seats.

13. A device for the purpose set forth comprising a supporting structure, a hollow, oscillatory gudgeon including hollowtrunnions, bearing elements for-said trunnions secured to said supporting structure, said elements being tubular and projecting from the outer ends of the trunnions, a hollow carrier attached to and opening into said gudgeon, said gudgeon providing for the passage of lubricant therethrough to said carrier, a split oval-shaped stirrup coupling means including a shank fixedly secured to said carrier, said means receiving lubricant from the carrier, said structure including a lubricant reservoir, and said structure, bearing elements and gudgeon having coacting means for the passage of'the lubricant from said reservoir for supplying lubricant to said trunnions and into said gudgeon.

14; A device for the purpose set forth comprising a supporting structure, a hollow, oscillatory gudgeon including hollow trunnions, bearing elements for said trunnions secured to said supporting structure, said elements being tubular and projectin from the outer ends of the trunnions, a ollow carrier attached to and opening into said gudgeon, said gudgeon providin 'for the passage of lubricant therethroug to said carrier, a split oval-sha ed, stirrup coupling means including a sha fixedly secured to said carrier, said means receiving lubricant from the carrier, said structure including a lubricant reservoir, and said structure, hearing elements and gudgeon having coacting means for the passage of the lubricant from said reservoir for supply ng lubricant to said trunnions and into said gudgeon, said gudgeon provided with means for receiving the drippings of lubricant from said elements and for discharging it into the interior of the gudgeon. V, p

In testimony whereof, I aflix my signature hereto.

CLQISE H. BALDWIN. 

